Properties of Water

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Across
  1. 3. water is a universal _______, which means that half of all the natural substances on Earth can dissolve in water
  2. 5. what makes up 97% of Earth's surface water?
  3. 8. another name for the water cycle is the _________ cycle
  4. 9. what charge is the oxygen molecule in a water molecule?
  5. 11. water is the basis for __________ measurement
  6. 15. pure water has a _______ Ph
Down
  1. 1. which of the 2 general categories for water pollution comes from a general area?
  2. 2. which of the 2 general categories for water pollution comes from a specific source?
  3. 4. which type of water makes up only 3% of Earth's surface water?
  4. 6. water has a very ____ surface tension
  5. 7. the amount of salt that is dissolved in a body of water
  6. 10. water becomes ______ as it cools up to a point
  7. 12. what charge are the 2 hydrogen atoms in a water molecule?
  8. 13. what can water absorb a lot of without a big change in temperature occurring?
  9. 14. what is the only naturally occurring substance that can exist in all 3 physical states (solid, liquid, gas)?